1. Trang chủ
  2. » Ngoại Ngữ

Math addition and subtraction l3

81 381 0

Đang tải... (xem toàn văn)

Tài liệu hạn chế xem trước, để xem đầy đủ mời bạn chọn Tải xuống

THÔNG TIN TÀI LIỆU

Thông tin cơ bản

Định dạng
Số trang 81
Dung lượng 16,7 MB

Nội dung

e a rni ng L3 Mathematics Ex pre ss Addition and Subtraction This book belongs to Scholastic Learning Express: Addition and Subtraction, Level © Scholastic Copyright © 2005, 2010 by Scholastic Inc Copyright © 2013 by Scholastic Education International (Singapore) Private Limited All rights reserved Previously published as Reading & Math Jumbo Workbook 2, and 4, Summer Express 2-3, Success with Math Grade and Success with Addition & Subtraction Grade by Scholastic Inc This edition published by Scholastic Education International (Singapore) Private Limited A division of Scholastic Inc No part of this publication may be reproduced in whole or in part, or stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise without the written permission of the publisher For information regarding permission, write to: Scholastic Education International (Singapore) Private Limited 81 Ubi Avenue #02-28 UB.ONE Singapore 408830 education@scholastic.com.sg First edition 2013 ISBN 978-981-07-1370-6 Scholastic Learning Express: Addition and Subtraction, Level © Scholastic Welcome to eEa rpnreisns g ! x Helping your child build essential skills is easy! These teacher-approved activities have been specially developed to make learning ERWK DFFHVVLEOH DQG HQMR\DEOH 2Q HDFK SDJH \RX¶OO ¿QG adding and subtracti ng 4-digit numbers with regroupin g Focus Skill The focus of each activity page is clearly indicated Add or subtract Use the code Date: to color the picture green = 5,846 brown = 4,752 pink = 2,791 blue = 7,308 3,079 + 4,229 yellow = 8,365 4,458 + 3,907 3,199 + 5,166 Instructions The read-aloud instructions are easy for your child to understand 1,889 + 6,476 2,477 + 5,888 8,401 – 3,649 Meaningful learning Each activity has been carefully designed to make your child’s learning meaningful and fun 6,740 – 3,949 3,968 + 1,878 9,041 – 4,289 7,040 – 4,249 8,544 – 5,753 7,110 – 2,358 1,885 + 2,867 1,727 + 4,119 9,031 – 3,185 Addition and Subtraction Ô / 59 7KLV ERRN DOVR FRQWDLQV ea rni ng n Add i t io n a d S u b t r a c t io n P r a c t ic e Te s t Ex pre ss Fill in the bubble next to the correct 13 14 564 + 399 15 A 963 B 763 C 937 D 890 4,912 – 1,999 B 2,391 C 3,211 D 3,929 A 6,340 B 5,580 ratulation s! C 5,797 D 6,310 Sup ers tar ! am a Sch ola stic tra ctio n L3 Ad dit ion and Sub I hav e com ple ted draw a Paste a photo or picture of yourself 3,867 – 545 Pre sen ted on A 3,232 B 3,322 C 2,342 D 3,002 Addition and Subtraction Ô / 16/10/12 3:07 PM 2,913 3,434 + 2,876 I, 16 A Cong answer &R OHWL WL¿F lebr &RPSOHWLRQ FHUWL¿FDWH to celebrate your child’s leap in learning 71 Instant assessment to ensure your child really masters the skills Motivational cut-and-paste stickers to mark the milestones of your child’s learning path Scholastic Learning Express: Addition and Subtraction, Level © Scholastic Contents Addition and Subtraction adding and subtracting 3-digit numbers number words with regrouping 41–45 regrouping review - tens to ones regrouping review - thousands adding to 18 to hundreds 46 subtracting from 18 adding 3- and 4-digit numbers 47 adding and subtracting through 18 10–11 adding 4-digit numbers adding 1- and 2-digit numbers 12 without regrouping 48–49 adding 2-digit numbers 13 adding 4-digit numbers with regrouping 50–52 adding 2-digit numbers subtracting 4-digit numbers with regrouping 14–15 without regrouping 53 subtracting 2-digit numbers subtracting 4-digit numbers with regrouping 16–20 with regrouping 54–56 subtracting 1- and 2-digit numbers subtracting with multiple regrouping 57 with regrouping 21–22 adding and subtracting 4-digit numbers adding and subtracting 2-digit numbers with regrouping 58–60 with regrouping 23–27 mixed operations - addition regrouping review - tens to hundreds 28 and subtraction 61 regrouping review - hundreds to tens 29 mental math - easy addition 62–63 adding 3-digit numbers solving word problems using addition 64–65 without regrouping 30 solving word problems using subtraction 66–67 adding 3-digit numbers Addition and Subtraction Practice Test 68–74 with regrouping - multiple addends 31 adding 3-digit numbers with regrouping 32–35 subtracting 3-digit numbers with regrouping 36–40 Answer Key 75–78 Certificate 79 Cut and-Paste Stickers 80 Scholastic Learning Express: Addition and Subtraction, Level © Scholastic Addition and Subtraction Understanding basic addition and subtraction facts is an important real-life skill When you buy things you need to NQRZ KRZ WR DGG XS WKH FRVW RI WKH LWHPV DQG KRZ WR ¿JXUH out the change you will receive after you have paid for them What to These activity pages provide many opportunities for your child to practice addition and subtraction with and without regrouping Remember, when you regroup, you carry over from the right-hand column to the left-hand column )RU H[DPSOH 219 +5 224 Some of the subtraction problems will require that your child ERUURZ IURP WKH QXPEHU WR WKH OHIW )RU H[DPSOH 115 –7 108 Keep On Going! Encourage your child to become an addition and subtraction expert Create addition and subtraction problems based on \RXU FKLOG¶V DFWLYLWLHV IRU WKH GD\ )RU H[DPSOH ,I \RX QHHG 12 apples to bake an apple pie and you only have apples, how many more apples will you need to bake the pie? Addition and Subtraction Ô /  Scholastic Learning Express: Addition and Subtraction, Level © Scholastic number words 'DWH Find the corresponding numerals for the number words below Then XVH WKH FRGH WR VROYH WKH ULGGOH E\ ¿OOLQJ LQ WKH VSDFHV DW WKH ERWWRP RI WKH SDJH 7KH ¿UVW RQH KDV EHHQ GRQH IRU \RX 23 X 17 O 153 E 21 A 370 O 108 S 46 D V 15 nine F twenty-two 67 T  seventeen 22 E 435 P IRUW\¿YH BBBBBBBBBBBB 86 H sixty-seven 88 R one hundred eight 45 I eighty-six 534 M 118 W RQH KXQGUHG ¿IW\WKUHH BBBBBBBBBBBB 543 N three hundred seventy 307 G 10 ¿YH KXQGUHG WKLUW\IRXU BBBBBBBBBBBB Where cows go for entertainment? TO _ _ _ “ _ _ _ ” 10 Addition and Subtraction Ô /  Scholastic Learning Express: Addition and Subtraction, Level © Scholastic V _ _ _ _ regrouping review — tens to ones 'DWH Look at the number on each form of transportation Write the number RI WHQV DQG RQHV 5HJURXS :ULWH WKH QHZ QXPEHU 7KH ¿UVW RQH KDV been done for you Trade ten for 10 ones tens _ ones _ 37 _ tens _ ones 52 85 43 68 Trade ten for 10 ones _ tens _ ones Trade ten for 10 ones tens ones tens _ 17 ones _ _ tens _ ones tens ones Trade ten for 10 ones _ tens _ ones _ tens _ ones _ tens _ ones Trade ten for 10 ones Addition and Subtraction Ô /  Scholastic Learning Express: Addition and Subtraction, Level © Scholastic adding to 18 'DWH $GG 7KH ¿UVW RQH KDV EHHQ GRQH IRU \RX +3 15 12 +5 +7 18 11 13 10 11 15 +2 6 +6 10 13 +9 +4 14 10 + 10 +1 8 +8 12 16  Addition and Subtraction Ô /  Scholastic Learning Express: Addition and Subtraction, Level © Scholastic subtracting f rom 18 'DWH Subtract Then use the code to write a letter for each difference to spell the names of the tools 15 – 16 – 15 – 13 13 – 16 –  18 – 15 – 11 17 – 16 18 – 17 – 18 – 10 – 18 – 18 – 15 – 17 – 17 10 l d r 11 x e 14 d s p w a i Addition and Subtraction Ô /  Scholastic Learning Express: Addition and Subtraction, Level © Scholastic solving word problems using subtraction Date: Write a number sentence for each problem on pages 66 and 67 Solve Hannah’s family drove 1,246 km in days They drove 879 NP WKH ¿UVW GD\ +RZ IDU did they drive the second day? Joplin is between Wells and Greenville The distance from Wells to Greenville is 4,128 km The distance from Wells to Joplin is 1,839 km How far is it from Joplin to Greenville? 66 Addition and Subtraction Ô /  Scholastic Learning Express: Addition and Subtraction, Level © Scholastic solving word problems using subtraction Date: The Midnight Express travels 6,283 NP :KHQ WKH WUDLQ UHDFKHV 6SULQJ¿HOG LW KDV traveled 2,496 km How much farther will the Midnight Express travel? Jacob’s scout troop is going camping 947 km from home The bus breaks down after 289 km How far is the bus from the campgrounds? Jonesburgh is between Johnsonville and Piper Johnsonville is 8,612 km from Piper Piper is 4,985 km from Jonesburgh How far is it from Jonesburgh to Johnsonville? Lola’s family drove 2,391 km to go to the beach They drove home using another route that was 3,290 km How much longer was the second route? Addition and Subtraction Ô /  Scholastic Learning Express: Addition and Subtraction, Level © Scholastic 67 o n a n d S u b t r a c t io n Add i t i P r a c t ic e Te s t Fill in the bubble next to the correct answer 68 488 + 487 2,585 + 3,756 A 600 A 5,341 B 975 B 6,341 C 995 C 7,341 D D 6,214 3,787 + 4,276 4,999 + 3,899 A 8,163 A 8,698 B 8,216 B 8,989 C 7,063 C 8,898 D 8,063 D 7,898 Addition and Subtraction Ô /  Scholastic Learning Express: Addition and Subtraction, Level © Scholastic o n a n d S u b t r a c t io n Add i t i P r a c t ic e Te s t Fill in the bubble next to the correct answer 740 – 357 5,787 – 2,976 A 21 A 3,811 B 383 B 2,811 C 24 C 2,281 D 25 D 3,711 823 – 649 3,655 – 1,679 A 172 A 2,976 B 274 B 2,767 C 174 C 1,766 D 162 D 1,976 Addition and Subtraction Ô /  Scholastic Learning Express: Addition and Subtraction, Level © Scholastic 69 o n a n d S u b t r a c t io n Add i t i P r a c t ic e Te s t Fill in the bubble next to the correct answer 15 + = 125 A 100 A 179 B 110 B 159 C 120 C 163 D 155 D 150 10 + 236 = 286 70 11 – 53 = 126 12 289 – 63 = A 45 A 236 B 55 B 226 C 50 C 225 D 40 D 235 Addition and Subtraction Ô /  Scholastic Learning Express: Addition and Subtraction, Level © Scholastic o n a n d S u b t r a c t io n Add i t i P r a c t ic e Te s t Fill in the bubble next to the correct answer 13 14 564 + 399 15 3,434 + 2,876 A 963 A 6,340 B 763 B 5,580 C 937 C 5,797 D 890 D 6,310 4,912 – 1,999 16 3,867 – 545 A 2,913 A 3,232 B 2,391 B 3,322 C 3,211 C 2,342 D 3,929 D 3,002 Addition and Subtraction Ô /  Scholastic Learning Express: Addition and Subtraction, Level © Scholastic 71 o n a n d S u b t r a c t io n Add i t i P r a c t ic e Te s t Fill in the bubble next to the correct answer 17 155 + = 444 A 289 A 931 B 189 B 979 C 309 C 1,051 D 389 D 1,531 18 + 1,234 = 5,678 72 19 193 + 367 + 491 = 20 678 + 1,988 = A 4,440 A 2,666 B 4,444 B 2,676 C 4,343 C 2,356 D 4,040 D 2,777 Addition and Subtraction Ô /  Scholastic Learning Express: Addition and Subtraction, Level © Scholastic o n a n d S u b t r a c t io n Add i t i P r a c t ic e Te s t Read the questions Write the number sentence for each question and solve the problem 21 There are 345 girls and 576 boys in a school Find the total number of students in the school 22 Dora won prizes worth $88 and $888 in cash in a game show How much did she win in cash and prizes? 23 There are 215 tigers and 766 deer in a safari How many tigers and deer are there in the safari? Addition and Subtraction Ô /  Scholastic Learning Express: Addition and Subtraction, Level © Scholastic 73 o n a n d S u b t r a c t io n Add i t i P r a c t ic e Te s t Read the questions Write the number sentence for each question and solve the problem 24 Marty wants to put all his 346 books on the shelves He has put 169 books on the shelves How many more books does he need to put on the shelves? 25 Jill bought a massager costing $189 for her father on Fathers’ Day She gave the cashier $200 How much change did she get? 26 There are 8,417 DVDs in Mr Claus’ shop 3,865 are cartoons How many DVDs are not cartoons? 74 Addition and Subtraction Ô /  Scholastic Learning Express: Addition and Subtraction, Level © Scholastic Answer Key Page Page 14 22 17 45 67 108 86 153 Page 20 75 63 370 10 534; > 50 and < 63 28 39 22 49 16 7 26 27 35 10 24 11 16 12 28 > 68 and < 81 TO THE “MOO” VIES Page 21 42 Page > 40 and < 53 58 33 37 55 38 17 10 29 14 37: tens ones, tens 17 ones; > 87 and < 94 52: tens ones, tens, 12 ones; 85: tens ones, tens 15 ones; 84 91 > 82 and < 87 43: tens ones, tens 13 ones; > 59 and < 68 68: tens ones, tens 18 ones Page 15 Page 111 121 86 90 18, 7, 15, 18, 16, 14 18, 15, 17 99 99 7.99 94 8, 18, 15 18, 9, 15 158 10 76 11 115 12 90 12, 9, 18 16, 11, 17 13, 11, 18 14, 18, 16 10 4, 9, A CLOCK Page 16 45 28 19 74 65 spade axe drill saw Page 10 66 ON DECK 45 79 28 65 37 a g c b e f d i h 10 j 19 A CRANE 41 – 29 = 12; 64 – 28 = 36; 38 81 – 36 = 45 7, 4, 13, 10, 15, 5, 9, 16, 8, 12, 3, 53 79 37 38 66 6, 18, 11, 14; Ari, Ayesha, Chris, Edward, Jamie, Jasper, Javed, Kelly, Lara, Sammy, Solomon, Susan, Tahira, Thomas, Trisha 72 71 10 91 SILENCE 80 – 49 = 31; 91 – 49 = 42; Page 17 92 – 36 = 56 52 – 23 = 29, 68 – 29 = 39, 76 – 48 = 28, 68 – 39 = 29, Page 23 90 – 61 = 29, 81 – 42 = 39, Page 12 84 44 – 28 = 16; 51 – 26 = 25; 70 – 36 = 34 53 74 Page 11 80 60 – 34 = 26; 52 – 38 = 14; 64 – 29 = 35 Page 55 Page 22 53 103 11 107 31 68 12 69 30 – 23 = 80 – 58 = 22 70 – 51 = 19 40 – 35 = 5 20 – 12 = 90 – 64 = 26 60 – 47 = 13 50 – 26 = 24 75, 23, 98, 98, 47, 75, 34, 99, DAFFODIL 99, 23, 33, 78, 21, 75, 78, 86, 78 83 67 73 12 67 81 48 34 28 49 40 Page 19 26 25 52 42, 78, 32, 87, 21, 34, 23, PETUNIA 64 7 12 18 99, 34, 99, 64, LILY 35 10 27 11 18 12 36 LAVENDER 33 44 Page 18 Page 13 31 34 75 – 49 = 26, 72 – 37 = 35 Page 24 16 + 87 = 103, 91 + 45 = 136, 68 + 29 = 97, 57 + 11 = 68, = 133, 39 + 94 = 98, 25 + 73 Addition and Subtraction Ô /  Scholastic Learning Express: Addition and Subtraction, Level © Scholastic 75 83 + 32 = 115, 44 + 58 = 102, Page 29 Page 36 72 + 66 = 138, 57 – 11 = 46, 94 – 39 = 55, 73 – 25 = 48, 58 – 44 = 14, 87 – 16 = 71, 91 – 45 = 46, 68 – 29 = 39, 83 – 32 = 51, 72 – 66 = 6; 40, 50, 60; 80, 20, 70; Color: hundreds 30 tens 60 tens hundred 534 – 275 = 259; 467 – 278 = 189; 392 – 296 = 96; 625 – 366 = 259; 988 – 589 = 399; 735 – 367 = 368; 854 – 397 = 457; 564 – 498 = 66; 80 tens hundreds 339 – 249 = 90 Page 30 41 58 324 + 632 = 956 155 + 331 = 486 415 + 322 = 737 431 + 422 = 853 541 + 134 = 675 Page 25 24, 91, 47, 53, 16, 92, 65, 38 h v o o s o c c e r k l k b a s ke t b a l l y e t y i t enn i s b g r a a l c f o o t b a l l k 241 + 551 = 792 213 + 313 = 526 143 + 146 = 289 142 + 233 = 375 10 220 + 314 = 534 935 690 753 779 841 768 Page 32 726 622 923 Page 26 346 506 763 327 288 525 56 + 38 = 94, 18 + 24 + 35 = 77, 38 + 34 + 18 = 90, 47 + 24 = 71; 90 – 77 = 13, 94 – 77 = 17, 852 523 945 628 824 421 952 524 965 826 842 428 897 563 723 724 725 527 954 427 554 970 373 872 684 349 364 723 577 884 945 844 472 507 476 397 Page 28 457 574 942 743 771 712 hundreds tens tens 53 473 424 842 575 674 974 29 hundreds tens 76 hundreds tens 41 hundreds tens tens hundreds tens 85 26 hundreds ten hundreds tens 38 800 370 791 811 710 790 571 429 901 10 631 11 662 12 608 200, 40, 7, 247 2 476 771 418 90, 392 60, 561 903 3, 193 579 689 251 548 566 609 591 174 Page 39 Page 35 hundreds tens 588 692 721 388 Page 34 tens 194 393 597 682 786 Page 33 R 38; I 64; M 34; U 48; 628 635 526 793 389 WILLIAM BURROUGHS 76 507 103 Page 27 A 65; H 58; L 51; G 69; 247 247 109 90 – 71 = 19, 94 – 71 = 23; 252 44 125 Page 38 558 I 24; W 57; O 72; L 80; 125 125 386 479 452 233 386 Page 31 534 tens 479 247 11 224 + 143 = 367 12 416 + 132 = 548 574 S 75; R 84; U 33; B 71; Page 37 159 299 394 559 539 365 299 715 283 128 781 589 Page 40 770 917 780 582 890 845 10 858 11 899 12 911 464 63 416 73 179 699 240 164 119 10 506 11 376 12 479 Addition and Subtraction Ô /  Scholastic Learning Express: Addition and Subtraction, Level © Scholastic Page 50 517 – 463 = 54 Page 41 d b h a g c e f 525 – 385 = 140 8,763 6,052 6,052 4,017 5,334 7,357 hundreds 4,017 8,763 10 20 9,400 3,452 hundreds hundreds 7,357 5,334 3,452 9,400 Page 46 Page 42 496 – 188 = 308 thousands 956 – 668 = 288 20 80 hundreds hundreds 50 547 + 239 = 786 723 – 162 = 561 thousands 30 70 hundreds hundreds 40 hundreds thousands thousands 422 – 215 = 207 60 thousands 957 – 688 = 269 884 + 834 = 1718 Purple- 162, 188 Page 43 933 Arctic Ocean 865 459 127 Europe 541 710 Pacific Ocean thousands thousands Asia 324 290 Africa Australia 662 578 Indian Ocean South America Page 51 Page 47 Color: Orange- 956, 957; Atlantic Ocean thousands hundreds 3,167; 5,703; 6,039; 4,584; 9,940 956 – 578 = 378; North America thousands 90 hundreds 379 + 345 = 724 thousands 855 4,730 7,920 4,744 6,132 6,845 2,067 9,128 3,173 9,175 10 5,870 11 4,578 12 7,670 5,063 3,721 3,827 8,749 8,789 2,429 Review that the current year has 3,012 5,642 2,351 been added to 1969 10 2,429 11 5,234 12 5,063 13 8,789 14 5,642 15 5,063 16 6,348 17 4,907 18 7,483 515 10 383 831 12 724 587 19 8,749; ALPS, ROCKY, OZARK, ANDES 239 Page 49 469 9,065 6,374 3,041 Page 52 4,871, 5,895, 3,169, 2,740; Circle: 5,895 3,764, 3,715, 3,636, 3,348; Circle: 3,764 4,586 852 2,745 11 7,036 3,330 3,943 6,021 Page 53 8,010 7,011 3,472 Page 45 709 + 253 = 962 7,486 8,898 Circle: 5,641 694 614 + 478 = 1,092 8,063 2,376 5,413, 4,872, 4,416, 5,641; 174 517 + 525 = 1,042 7,080 Circle: 6,193 2,052 4,942 8,255 2,694 5,788, 5,111, 6,193, 5,173; 748 976 4,407 Page 48 Antarctica Page 44 9,764 2,763 7,443 5,301 3,231 5,563 7,841 6,095 2,564 9,804 4,337 9,685 5,104 9,221 4,732 6,528 803 1,161 3,106 3,114 9,159 10 112 11 2,106 12 236 13 1,515 14 337 15 8,613 16 241 709 – 385 = 324 Addition and Subtraction Ô /  Scholastic Learning Express: Addition and Subtraction, Level © Scholastic 77 Page 62 Page 58 Page 54 English Latin 1,851 Draco Swan 6,459 2,035 5,160 5,737 15 40 19 26 14 38 18 47 17 10 68 11 27 12 83 6,620 Pavo Review strategy for making 4,984 Cross 3,582 8,557 Cygnus 6,459 2,035 Dragon Ursa Major 4,753 3,582 Peacock 5,276 7,371 2,887 Great Bear 4,753 Page 63 5,763 7,062 Musca easy numbers 6,588 3,685 6,231 1.22 114 27 140 43 190 45 60 80 10 93 11 97 12 140 13 62 14 362 Crux 4,984 Fly 5,276 Page 55 15 442 MATH IS AWESOME! Review strategy for making easy Page 59 numbers Page 64 8,365 1,032 + 988 = 2,020 8,365 North Pole 4,326 Equator 6,073 $23 + $165 = $188 8,365 8,365 7,308 $64 + $28 = $92 4,752 1,130 + 2,940 + 1,800 = 5,870 2,791 2,791 Tropic of Cancer 3,412 2,791 5,846 32 + 26 = 58 km 4,752 104 + 285 + 192 = 581 4,752 5,846 Tropic of Capricorn 2,041 5,559 South Pole Page 65 4,752 Arctic Circle 5,734 Antarctic Circle 4,856 5,846 Page 56 E 3,338 E 4,729 H 2,579 T 4,819 A 8,858 R 3,689 H 7,046 N 857 C 2,491 B 3,875 E 5,252 L 5,583 S 874 I 1,988; 1,246 – 879 = 367 4,128 – 1,839 = 2,289 Page 60 6,283 – 2,496 = 3,787 N 2,896 A 6,601 I 9,400 S 9,434 E 4,264 N 5,678 L 7,639 E 9,129; Page 57 1 5,708, 4,834, 1,052, 491, 7,187, 5,708, 2,812, 1,034, 7; Colts: 37 Panthers: 49; 11 Panthers won 7 4,609, 2,656, 818, 126, 9; 10 B D B C B C B D B 10 C 11 A 12 B 13 A 14 A 15 D 16 B 17 A 18 B 19 C 20 A 21 345 + 576 = 912 12 14 8,612 – 4,985 = 3,627 Pages 68–74 8,245, 6,879, 2,980, 1,383, 4; 947 – 289 = 658 3,290 – 2,391 = 899 LINNAEUS Page 61 IN THE BLEACHERS! Pages 66–67 13 22 $88 + $888 = $976 23 215 + 766 = 981 24 346 – 169 = 177 25 $200 – $189 = $11 26 8,417 – 3,865 = $4,552 78 Addition and Subtraction Ô /  Scholastic Learning Express: Addition and Subtraction, Level © Scholastic Scholastic Learning Express: Addition and Subtraction, Level © Scholastic am a Scholastic Superstar! Presented on I have completed Addition and Subtraction L3 Paste a photo or draw a picture of yourself ! s n gratulatio I, Con Ex pre ss e a rni ng G ood J o b Scholastic Learning Express: Addition and Subtraction, Level © Scholastic

Ngày đăng: 26/07/2016, 23:12

TỪ KHÓA LIÊN QUAN

TÀI LIỆU CÙNG NGƯỜI DÙNG

TÀI LIỆU LIÊN QUAN